Pat*_*tko 44
您可以使用DateTime.IsLeapYear方法.
但只是为了处理你真的不需要使用那种方法.DateTime.AddYears把闰年考虑在内.
var leapYear = new DateTime(2000, 2, 29);
Console.WriteLine("Is 2000 a leap year? {0}", DateTime.IsLeapYear(leapYear.Year)); // 2000 is a leap year
Console.WriteLine("One year added to {0} is {1}", leapYear, leapYear.AddYears(1)); // 2000-02-29 plus 1 year is 2001-02-28
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